diff --git a/paddle/fluid/inference/api/api_impl.cc b/paddle/fluid/inference/api/api_impl.cc
index 20505fbfaf..247a806f3a 100644
--- a/paddle/fluid/inference/api/api_impl.cc
+++ b/paddle/fluid/inference/api/api_impl.cc
@@ -316,7 +316,7 @@ std::unique_ptr<PaddlePredictor> CreatePaddlePredictor<
     return nullptr;
   }
 #ifdef __clang__
-  //fix clang compile error
+  // fix clang compile error
   return predictor;
 #else
   return std::move(predictor);